# Water vs CareOne

The clearest difference is update cadence: CareOne at every 8 days against Water's every 4 weeks. Water's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Water ships an update every 4 weeks, CareOne every 8 days. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Water | CareOne |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 8 days** |
| Size | 47 MB | 63 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Water-Protec Distribution Inc.](https://appshunter.io/developer/1581179919) | [Numera Systems Inc.](https://appshunter.io/developer/1873264731) |

## What reviewers say

### Water

[App page](https://appshunter.io/ios/app/water-protec/id1581179917)

**Features:** macOS Compatibility

**In-app purchases:** none


### CareOne

[App page](https://appshunter.io/ios/app/careone/id6758514532)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Water free?

Water is free to download, with no in-app purchases.

### Is CareOne free?

CareOne is free to download, with no in-app purchases.

### Do Water or CareOne have ads?

Neither Water nor CareOne shows ads.

### Which is updated more often, Water or CareOne?

Water ships an update every 4 weeks, and CareOne every 8 days. Most recently, Water was updated on October 25, 2026 and CareOne on October 26, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*